NORRISTOWN ­— Snow fell briefly over the region Monday evening causing several accidents around Norristown as a result of suddenly slick road conditions. The Route 202 bridge was closed for approximately one hour due to ice. Arctic temperatures followed on Tuesday, leading Montgomery County to issue a Code Blue warning.

The Code Blue will remain in effect through 9 a.m. Monday, Jan. 28, the county announced.

Text NORWEATHER to 22700 for weather updates each morning directly to your cellphone.